/* Hootsuite-style CSS - Enterprise Social Media Manager */

:root {
    --primary-color: #2e3192;
    --primary-dark: #1a1c5e;
    --secondary-color: #00d4aa;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #1a1a2e;
    --sidebar-bg: #16213e;
    --card-bg: #ffffff;
    --text-primary: #333333;
    --text-secondary: #6b7280;
    --border-color: #e5e7eb;
    --hover-bg: #f3f4f6;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--text-primary);
    line-height: 1.6;
}

.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    color: white;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem;
    background: var(--primary-color);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.nav-menu {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.nav-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: var(--secondary-color);
}

.nav-icon {
    width: 20px;
    height: 20px;
    margin-right: 0.75rem;
    opacity: 0.8;
}

.nav-text {
    font-weight: 500;
}

/* Main Content Area */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.top-bar {
    background: white;
    padding: 1rem 2rem;
    box-shadow: var(--shadow-sm);
    display: flex;
    justify-content: between;
    align-items: center;
    z-index: 100;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.content-area {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: #f8f9fa;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.stat-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.stat-icon.blue {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.stat-icon.green {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
}

.stat-icon.purple {
    background: rgba(147, 51, 234, 0.1);
    color: #9333ea;
}

.stat-icon.orange {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-change {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

/* Platform Cards */
.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.platform-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
}

.platform-card:hover {
    box-shadow: var(--shadow-md);
}

.platform-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.platform-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.platform-icon.twitter {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.platform-icon.linkedin {
    background: linear-gradient(135deg, #0077b5, #005885);
}

.platform-icon.facebook {
    background: linear-gradient(135deg, #1877f2, #0c63d4);
}

.platform-icon.instagram {
    background: linear-gradient(135deg, #e4405f, #c13584, #833ab4);
}

.platform-icon.tiktok {
    background: linear-gradient(135deg, #000000, #1a1a1a);
}

.platform-icon.youtube {
    background: linear-gradient(135deg, #ff0000, #cc0000);
}

.platform-info h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.platform-info p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.platform-stats {
    display: flex;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.platform-stat {
    text-align: center;
}

.platform-stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.platform-stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Post Composer */
.composer-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 2rem;
}

.composer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.composer-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.platform-selector {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.platform-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    border: 2px solid var(--border-color);
    background: white;
    cursor: pointer;
    transition: all 0.2s ease;
}

.platform-chip:hover {
    border-color: var(--primary-color);
    background: var(--hover-bg);
}

.platform-chip.selected {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
}

.platform-chip input[type="checkbox"] {
    display: none;
}

.content-editor {
    margin-bottom: 1.5rem;
}

.content-textarea {
    width: 100%;
    min-height: 150px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s ease;
}

.content-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 49, 146, 0.1);
}

.editor-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.75rem;
}

.char-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.char-count.warning {
    color: var(--warning-color);
}

.char-count.danger {
    color: var(--danger-color);
}

.editor-actions {
    display: flex;
    gap: 0.5rem;
}

.toolbar-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toolbar-btn:hover {
    background: var(--hover-bg);
}

/* Media Upload */
.media-upload {
    margin-bottom: 1.5rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(46, 49, 146, 0.05);
}

.upload-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1rem;
    color: var(--text-secondary);
}

.upload-text {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.upload-hint {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.media-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}

.media-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--hover-bg);
}

.media-item img,
.media-item video {
    width: 100%;
    height: 100px;
    object-fit: cover;
}

.media-remove {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
}

/* Schedule Options */
.schedule-options {
    background: var(--hover-bg);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.schedule-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.schedule-row:last-child {
    margin-bottom: 0;
}

.schedule-input {
    flex: 1;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--hover-bg);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover {
    background: #16a34a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Recent Posts */
.posts-section {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.posts-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.posts-grid {
    display: grid;
    gap: 1rem;
}

.post-card {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    transition: all 0.2s ease;
}

.post-card:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--primary-color);
}

.post-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.post-platforms {
    display: flex;
    gap: 0.5rem;
}

.platform-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
}

.platform-badge.twitter {
    background: #1da1f2;
}

.platform-badge.linkedin {
    background: #0077b5;
}

.platform-badge.facebook {
    background: #1877f2;
}

.platform-badge.instagram {
    background: #e4405f;
}

.platform-badge.tiktok {
    background: #000000;
}

.platform-badge.youtube {
    background: #ff0000;
}

.post-time {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.post-content {
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.post-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-status {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.post-status.posted {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success-color);
}

.post-status.scheduled {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.post-status.failed {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.post-actions {
    display: flex;
    gap: 0.5rem;
}

.post-action-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 4px;
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.post-action-btn:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        z-index: 1000;
        height: 100vh;
    }

    .sidebar.open {
        transform: translateX(280px);
    }

    .main-content {
        margin-left: 0;
    }

    .content-area {
        padding: 1rem;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .platforms-grid {
        grid-template-columns: 1fr;
    }

    .platform-selector {
        flex-direction: column;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1001;
    width: 48px;
    height: 48px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

/* Tooltips */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.tooltip:hover::after {
    opacity: 1;
}